Re: [Xen-devel] [PATCH v3 3/8] hvmloader: Set up highmem resouce appropriately if there is no RAM above 4G

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

George Dunlap writes ("[PATCH v3 3/8] hvmloader: Set up highmem resouce 
appropriately if there is no RAM above 4G"):
> hvmloader will read hvm_info->high_mem_pgend to calculate where to start the
> highmem PCI  region.  However, if the guest does not have any memory in the h
igh
> region, this is set to zero, which will cause hvmloader to use the "0" for th
e base
> of the highmem region, rather than 1 << 32.
> 
> Check to see whether hvm_info->high_mem_pgend is set; if so, do the normal ca
lculation;
> otherwise, use 1<<32.

Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>

Ian.

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